cristivasile.ro - robtex.com

cristivasile.ro

DNSSEC⚠️ Not signed
A37.143.170.64🇷🇴 OPTICNET-DUCADU37.143.170.0/24 DUCADU-CLOUD
PTRhost4.ducadu.org
NSns1.ducadu.org ⭐ ⚠️ Not in parent delegation
A2a03:8f84::947d:baff:fe3a:3433🇷🇴 OPTICNET-DUCADU2a03:8f84::/32 -CLOUD
A37.143.167.30🇷🇴 OPTICNET-DUCADU37.143.167.0/24 DUCADU-CLOUD
NSns2.ducadu.org ⚠️ Not in parent delegation
A2a03:8f84:0:2:4439:f4ff:fe9e:baf🇷🇴 OPTICNET-DUCADU2a03:8f84::/32 -CLOUD
PTRns2.ducadu.org
A37.143.164.195🇷🇴 OPTICNET-DUCADU37.143.164.0/24 DUCADU-CLOUD
NSns3.ducadu.org ⚠️ Not in parent delegation
A2a03:8f80:1:8:84dc:9aff:fee8:d224🇷🇴 OPTICNET2a03:8f80::/32 SERV SRL
PTRns3.ducadu.org
A91.201.78.55🇷🇴 OPTICNET91.201.76.0/22 -NEW
NSns3.opticnet.org ⚠️ Not in zone NS records
A37.143.167.30🇷🇴 OPTICNET-DUCADU37.143.167.0/24 DUCADU-CLOUD
NSns4.ducadu.org ⚠️ Not in parent delegation
A86.107.57.66🇷🇴 TeenTelecom86.107.57.0/24
NSns4.opticnet.org ⚠️ Not in zone NS records
A37.143.164.195🇷🇴 OPTICNET-DUCADU37.143.164.0/24 DUCADU-CLOUD
MXcristivasile.ro
A37.143.170.64🇷🇴 OPTICNET-DUCADU37.143.170.0/24 DUCADU-CLOUD
PTRhost4.ducadu.org
TXTv=spf1 +a +mx +ip4:37.143.170.64 include:_netblock.opticnet.ro ~all
SOAns1.ducadu.orgadmin@ducadu.com 2026-06-01 #1

ro

DNSSEC🔒 Signed (DS record present)
NSprimary.rotld.ro
NSdns-at.rotld.ro
NSdns-c.rotld.ro
NSdns-ro.denic.de ⚠️ Not in parent delegation
NSsec-dns-a.rotld.ro
NSsec-dns-b.rotld.ro
SOAprimary.rotld.rohostmaster@rotld.ro serial=2018564566

MX for

Same first word

DNS History

9 records (8 active, 1 former)

20192020202120222023202420252026NSns1.ducadu.orgns2.ducadu.orgns3.ducadu.orgns3.opticnet.orgns4.ducadu.orgns4.opticnet.orgMXcristivasile.roA37.143.170.6491.212.148.34
NSns1.ducadu.org2018-01-30 → 2026-07-14 · 2 obs
● 2018-01-30 21:34:32
● 2026-07-14 00:21:54
NSns2.ducadu.org2018-01-30 → 2026-07-14 · 2 obs
● 2018-01-30 21:34:32
● 2026-07-14 00:21:54
NSns3.ducadu.org2018-01-30 → 2026-07-14 · 2 obs
● 2018-01-30 21:34:32
● 2026-07-14 00:21:54
NSns3.opticnet.org2026-03-18 → 2026-07-14 · 3 obs
○ 2018-01-30 21:34:32
● 2026-03-18 13:20:34
● 2026-07-14 00:21:54
NSns4.ducadu.org2026-03-18 → 2026-07-14 · 3 obs
○ 2018-01-30 21:34:32
● 2026-03-18 13:20:34
● 2026-07-14 00:21:54
NSns4.opticnet.org2026-03-18 → 2026-07-14 · 3 obs
○ 2018-01-30 21:34:32
● 2026-03-18 13:20:34
● 2026-07-14 00:21:54
MXcristivasile.ro2018-01-30 → 2026-07-14 · 2 obs
● 2018-01-30 21:34:32
● 2026-07-14 00:21:54
A37.143.170.642026-03-18 → 2026-07-14 · 3 obs
○ 2018-01-30 21:34:32
● 2026-03-18 13:20:34
● 2026-07-14 00:21:54
A91.212.148.342018-01-30 → 2018-01-30 · 3 obs
● 2018-01-30 21:34:32
○ 2026-03-18 13:20:34
○ 2026-07-14 00:21:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
roprimary.rotld.ro, dns-c.rotld.ro, dns-at.rotld.ro, sec-dns-b.rotld.ro...-
cristivasile.rons3.opticnet.org, ns4.opticnet.org-

✅ Authoritative Response

Server:37.143.167.30

NS records: ns3.opticnet.org, ns4.opticnet.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cristivasile.ro (unsigned zone)

⏱️ Timing

Total: 1023ms | Queries: -

📄 Records

TypeCountSample Data
A137.143.170.64
NS4ns4.ducadu.org, ns1.ducadu.org...
MX1cristivasile.ro (pri: 0)
TXT1v=spf1 +a +mx +ip4:37.143.170.64 include
SOA1ns1.ducadu.org admin.ducadu.com

Analysis

Mail Server Role

The MX record for cristivasile.ro points back to cristivasile.ro — it is its own mail server.

IP Addresses

cristivasile.ro directs to one IP number, which is 37.143.170.64.

Other host names, among them sjup.ro and host4.ducadu.org, have IP numbers in common with cristivasile.ro.

Name Servers

cristivasile.ro is served by 6 authoritative name servers — among them ns1.ducadu.org, ns2.ducadu.org, ns3.ducadu.org and 3 others.

At least some of cristivasile.ro's name servers are shared with other domains, for example europrahova.eu, nevadadistribution.ro, aorr.org.ro and two more.

These name servers tend to co-occur with ns4.ducadu.org, ns3.opticnet.org, ns4.opticnet.org and 7 other name servers in the same DNS delegations.

Hosts with two IP numbers each:

ns1.ducadu.org resolves to two addresses: 37.143.167.30 and 2a03:8f84::947d:baff:fe3a:3433.

ns2.ducadu.org resolves to two addresses: 37.143.164.195 and 2a03:8f84:0:2:4439:f4ff:fe9e:baf.

ns3.ducadu.org resolves to two addresses: 91.201.78.55 and 2a03:8f80:1:8:84dc:9aff:fee8:d224.

Hosts that resolve to one IP address:

The hostname ns4.ducadu.org resolves to 86.107.57.66.

The hostname ns3.opticnet.org resolves to 37.143.167.30.

The hostname ns4.opticnet.org resolves to 37.143.164.195.

ns1.ducadu.org along with ns3.opticnet.org each resolve to 37.143.167.30 IP addresses.

ns2.ducadu.org along with ns4.opticnet.org each resolve to 37.143.164.195 IP addresses.

Mail Servers

The MX record for cristivasile.ro points to a single mail server: cristivasile.ro.

cristivasile.ro carries a single IP number, which is 37.143.170.64.